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417,019
RESULTS

Media Type
2
collections
416,860
texts
61
audio
61
movies
31
data
3
images
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Topics & Subjects
409,678
U.S. Patents
4,750
PATENTS
4,534
NASA Technical Reports Server (NTRS)
1,489
Patents
765
patents
647
patent
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Collection
409,677
United States Patent and Trademark Office documents
4,534
NASA Network Resource and Training Site
3,425
Government Documents
654
Microfilm
647
The Magazine Rack
646
Scientific American (1845-1909) Collection
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Creator
409,676
united states patent and trademark office
4,534
nasa technical reports server (ntrs)
884
united states. patent office
192
franklin institute, philadelphia
90
non
54
united states. agricultural research service
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Language
416,862
English
15
French
4
Spanish
3
German
1
English, sign language
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